I am not entirely sure if there is anything specific you need for the quest line to be unlocked. I ended up doing it after I had to raise the second Horseman, by then I was 104 but I had also been putting off going back to my class hall forever.
A copy of Tevruden's blog because I don't Trust Like that anymore.
I am not entirely sure if there is anything specific you need for the quest line to be unlocked. I ended up doing it after I had to raise the second Horseman, by then I was 104 but I had also been putting off going back to my class hall forever.